The offensive distribution settings allow you to distribute offensive touches to individual players by applying relative weightings. The offensive distribution settings are found on the player game plan page within your office. You can distribute points to each player (100 maximum total points) to indicate which players should get more touches in your half-court offense. This only affects who will have plays run for them in your offense based on the defense you are playing against.
Offensive distribution does NOT refer to shots that come from non-halfcourt offense - this includes offensive rebounds and transition baskets.
You can dictate who the offense will run through by allotting players distribution points. So if you have your starting 5 set to 18,18,18,18,18 all players will get a relatively equal number of touches/shots. If 4 backups come into the game, and you're at 18,1,1,1,1 (for example) - the player with the 18 would now be taking 81% (18/22= 81%) of the shots.
These are your ideal distributions - obviously the defense will be able to impact your offense when the game is played via defensive positioning (see above) and double teams (see below).
You can, and should, set your distributions for the 4 possible defenses you can face throughout the season (and even within a single game). Simply select each defense from the dropdown list to enter your settings for that defense. If a team switches defenses during a game, you will automatically switch to the appropriate offensive distribution and 3 pt. frequency settings that you've entered.
NOTE: If you leave all of the distribution points to zero for all players, the engine will determine the frequency at which players will shoot and their frequency of 3 pt. shots. This is not recommended as the computer only looks at your offensive skills - ignoring the opposing team and their defensive style completely.